2 285 octets ajoutés, 28 novembre 2010 à 12:43 Les lignes suivantes ont été ajoutées (+) et supprimées (-): |nomlatin=Ipomea alba|epoquefloraison=août à octobre}}|ordre=Solanales|famille=Convolvulaceae|nomlatin=''Ipomea alba'' L.|synonymes=Calonyction aculeatum (L.) House, Ipomoea bona-nox L.|nomsvernaculaires=belle de nuit, fleur de lune|vernacularnames=tropical white morning-glory, tropical white morningglory |description='''Description EOL: ''' Herbs annual or perennial, twining, usually glabrous, rarely puberulent. Stems to 10 m, terete, smooth or with soft prickles, sap milky. Petiole 5-20 cm; leaf blade ovate to ± circular in outline, 10-20 X 5-16 cm, base cordate, margin entire, angular to 3-lobed, apex acuminate, mucronulate. Inflorescences helicoid cymes, rarely dichasial, 1- to several flowered; peduncle stout, terete, 1-24 cm; bracts early deciduous, small. Pedicel 7-15 cm, clavate distally, enlarged in fruit. Flowers nocturnal, fragrant. Sepals elliptic to ovate, ± leathery, glabrous; outer 3 sepals 5-12 mm, apex with a stout spreading awn 4-9 mm; inner 2 sepals 7-15 mm, mucronate. Corolla white, with greenish bands, salverform; tube 7-12 cm, ca. 5 mm in diam.; limb 7-12 cm in diam., shallowly 5-undulate. Stamens exserted; filaments inserted in apical 1/2 of corolla tube, glabrous; anthers sagittate basally. Pistil exserted; ovary narrowly conical, glabrous. Stigma 2-lobed. Capsule ovoid, 2.5-3 cm, apiculate. Seeds white, brown, or black, ca. 10 7-8 mm, glabrous. 2n = 28*, 30*, 38*. (Source: [http://www.eol.org/pages/580957 EOL])|epoquefloraison=août à octobre|stratevegetale=Herbacée|proprietes=Ornementale|origine=Argentine, Bahamas, Belize, Bolivie, Brésil, Colombie, Costa Rica, Cuba, États-Unis, Guatemala, Guyana, Guyane française, Haïti, Honduras, Mexique, Nicaragua, Panama, République dominicaine, Suriname, Venezuela|sources=* [http://fr.wikipedia.org/wiki/Ipomoea_alba Wikipédia FR]* [http://en.wikipedia.org/wiki/Ipomoea_alba Wikipédia EN]* [http://species.wikimedia.org/wiki/Ipomoea_alba Wikispecies]* [http://www.eol.org/pages/580957 EOL]* [http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?20135 GRIN]* [http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=30760 ITIS]* [http://www.ipni.org/ipni/idPlantNameSearch.do?id=124205-3&back_page=%2Fipni%2FeditSimplePlantNameSearch.do%3Ffind_wholeName%3DIpomoea%2Balba%26output_format%3Dnormal IPNI]* [http://www.linnean-online.org/2402/ Linnean-online.org]}} |
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